Year 325 (CCCXXV) was a common year starting on Friday of the Julian calendar. At the time, it was known as the Year of the Consulship of Proculus and Paulinus. The denomination 325 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.
AD 78 (LXXVIII) was a common year starting on Thursday of the Julian calendar. At the time, it was known as the Year of the Consulship of Novius and Commodus. The denomination AD 78 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.
AD 100 (C) was a leap year starting on Wednesday of the Julian calendar. In the Roman Empire, it was sometimes referred to as year 853 ab urbe condita, i.e., 853 years since the founding of Rome in 753 B.C. The denomination AD 100 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.
The 160s decade ran from January 1, 160, to December 31, 169.
The 170s decade ran from January 1, 170, to December 31, 179.
The 180s decade ran from January 1, 180, to December 31, 189.
The 190s decade ran from January 1, 190, to December 31, 199.
Year 404 (CDIV) was a leap year starting on Friday of the Julian calendar. At the time, it was known as the Year of the Consulship of Honorius and Aristaenetus. The denomination 404 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.
Year 399 (CCCXCIX) was a common year starting on Saturday of the Julian calendar. At the time, it was known as the Year of the Consulship of Eutropius and Theodorus. The denomination 399 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.
Year 165 (CLXV) was a common year starting on Monday of the Julian calendar. At the time, it was known as the Year of the Consulship of Orfitus and Pudens. The denomination 165 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.
Year 175 (CLXXV) was a common year starting on Saturday of the Julian calendar. At the time, it was known as the Year of the Consulship of Piso and Iulianus. The denomination 175 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.
Year 190 (CXC) was a common year starting on Thursday of the Julian calendar. At the time, it was known as the Year of the Consulship of Aurelius and Sura. The denomination 190 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.
Year 192 (CXCII) was a leap year starting on Saturday of the Julian calendar. At the time, it was known as the Year of the Consulship of Aelius and Pertinax. The denomination 192 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.
Year 180 (CLXXX) was a leap year starting on Friday of the Julian calendar. At the time, it was known as the Year of the Consulship of Rusticus and Condianus. The denomination 180 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.
Commodus was a Roman emperor who ruled from 177 to 192. He served jointly with his father Marcus Aurelius from 177 until the latter's death in 180, and thereafter he reigned alone until his assassination. His reign is commonly thought to mark the end of a golden age of peace and prosperity in the history of the Roman Empire.
Publius Helvius Pertinax was Roman emperor for the first three months of 193. He succeeded Commodus to become the first emperor during the tumultuous Year of the Five Emperors.
Sextus Tigidius Perennis served as Praetorian Prefect under the Roman emperor Commodus. Perennis exercised an outsized influence over Commodus and was the effective ruler of the Roman Empire. In 185, Perennis was implicated in a plot to overthrow the emperor by his political rival, Marcus Aurelius Cleander, and executed on the orders of Commodus.
Publius Atilius Aebutianus was a prefect of the Roman imperial bodyguard, known as the Praetorian Guard, during the reign of emperor Commodus, from 185 until his death in 188. Aebutianus acceded to the office upon the execution of his predecessor Sextus Tigidius Perennis.
Quintus Aurelius Polus Terentianus was a Roman senator, who held a number of offices in the imperial service. He was suffect consul between the years 188 and 190. Anthony Birley notes, despite the lack of records on Terentianus' origins, "study of the distribution of QQ. Aurelii, and other elements in his nomenclature, suggest he too, like other men in key positions at the end of 192, may have been an African."
The gens Tigidia was an obscure plebeian family at ancient Rome. The only member of this gens to appear in history was Sextus Tigidius Perennis, prefect of the praetorian guard early in the reign of Commodus, but others are known from inscriptions.
